/***** BEGIN LICENSE BLOCK *****
 * Version: EPL 1.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Eclipse Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/epl-v10.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2007 Charles O Nutter <headius@headius.com>
 * 
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 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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package org.jruby.runtime;

import org.jruby.RubyModule;
import org.jruby.parser.StaticScope;
import org.jruby.runtime.builtin.IRubyObject;

/**
 * A Block implemented using a Java-based BlockCallback implementation
 * rather than with an ICallable. For lightweight block logic within
 * Java code.
 */
public class CompiledBlockLight19 extends CompiledBlock19 {
    public static Block newCompiledClosureLight(ThreadContext context, IRubyObject self, Arity arity,
            StaticScope scope, CompiledBlockCallback19 callback, boolean hasMultipleArgsHead, int argumentType) {
        Binding binding = context.currentBinding(self, Visibility.PUBLIC);
        BlockBody body = new CompiledBlockLight19(arity, scope, callback, hasMultipleArgsHead, argumentType, EMPTY_PARAMETER_LIST);

        return new Block(body, binding);
    }
    
    public static BlockBody newCompiledBlockLight(Arity arity,
            StaticScope scope, CompiledBlockCallback19 callback, boolean hasMultipleArgsHead, int argumentType, String[] parameterList) {
        return new CompiledBlockLight19(arity, scope, callback, hasMultipleArgsHead, argumentType, parameterList);
    }

    protected CompiledBlockLight19(Arity arity, StaticScope scope, CompiledBlockCallback19 callback, boolean hasMultipleArgsHead, int argumentType, String[] parameterList) {
        super(arity, scope, callback, hasMultipleArgsHead, argumentType, parameterList);
    }
    
    @Override
    protected Frame pre(ThreadContext context, RubyModule klass, Binding binding) {
        return context.preYieldLightBlock(binding, binding.getDummyScope(scope), klass);
    }
    
    @Override
    protected final void post(ThreadContext context, Binding binding, Visibility vis, Frame lastFrame) {
        binding.getFrame().setVisibility(vis);
        context.postYieldLight(binding, lastFrame);
    }
}
